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Finding the Fourth Proportional to 446,871.90, 670,307.85 and 305,154.30

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Solution

The fourth proportional to 446,871.90, 670,307.85 and 305,154.30 is: 457,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,871.90 : 670,307.85 = 305,154.30 : x
  2. Step 2: Convert to fraction form
    446,871.90/670,307.85 = 305,154.30/x
  3. Step 3: Cross multiply
    446,871.90x = 670,307.85 × 305,154.30
  4. Step 4: Simplify right side
    446,871.90x = 204,547,322,751.26
  5. Step 5: Solve for x
    x = 204,547,322,751.26/446,871.90
  6. Step 6: Final answer
    x = 457,731.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.